Muhammad Faizul Hadi Abu Kasim, Fazliyana ’Izzati Za’abar, Mohd Hadri Hafiz Mokhtar, Norhana Arsad, and Mohd Norzaliman Mohd Zain, “Comparison of Filtered and Direct RGB LED Illumination in Confocal Imaging for Cellular Imaging”, JOE, pp. 1–3, Nov. 2025.